Toshiba develops MP3 player with 60 hour fuel cell battery

"A flash-based player measuring 1.4 x 4.3 x 0.8-inches is said to run for 35 hours on a single 3.5ml charge of highly concentrated methanol while a hard drive based player swells to 2.6 x 4.9 x 1.1-inches and runs for about 60 hours on a single 10ml charge."
Engadget.